#include <iostream>
using namespace std;

char* operator+(char*,char*);
operator+(char,char*);
operator+(char*,char);

operator+(char*x,char*y)
{
    char* result;
    result=new char;
    int i=0,j=0;
    while(x[j]!='\0')
    {
        result[i]=x[j];
        i++;
        j++;
    }
    j=0;
    while(y[j]!='\0')
    {
        result[i]=y[j];
        i++;
        j++;
    }
    return result;
}